The honest math behind aquarium stocking
The "one inch per gallon" rule is a bumper sticker. Here's the actual calculation — bioload, surface area, and species temperament — that working aquarists use.
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Cycling a tank without poisoning fish
The nitrogen cycle, demystified. A practical four-week protocol for fishless cycling that actually works — with specific ammonia targets and what to do when readings stall.
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Choosing your first aquarium: a buyer's checklist
Why bigger is more forgiving, why long-and-shallow beats tall-and-narrow, and the seven specifications I check before buying any tank — written for absolute beginners.
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Water-change calculators, planted-tank lighting, and a forensic post-mortem of my worst-ever ammonia spike — all in progress. New articles publish on the first Monday of each month.